The 2" x 3" Glass Signal Mirror available from Survival Resources utilizes a sight targeting retro-reflective grid in the center hole to allow pinpoint accuracy. Virtually distortion free glass reflects more light farther than a standard mirror.
MIL-M-18371E Emergency Signal Mirror, Mark 3, Military Issue
Best Signal Mirror for Rescue and Survival
Signal Mirror for your Survival Kit
The most assured way to survive a bad situation is to be found by the people that are trying to rescue you. A signal mirror is a great long range way
2x3 Glass Signal Mirror
Survival Resources > Signaling
Survival Resources > Signaling > Signal Mirror Case - Small
Best Glide ASE Military Glass Signal Mirror
Mini Signal Mirror (HCMSM)
Best Glide ASE Military Grade Glass Signal Mirror (2 x